XGY   Grimsby Mountain, ON Weather Observed At   43-11  N    79-34  W

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2026-06-07	1:00pm			Max		Min
Weather		----
Temperature		22.2 °C		22.2 °C	12:58pm	14.8 °C	5:13am
Relative Humidity		62 %		91 %	5:17am	61 %	12:30pm
Dew Point		14.6 °C		16.7 °C	12:00am	12.8 °C	10:55am
Wind Velocity		337 ° at  2.8 G 7.8 kt		12.2 kt	10:47am
Pressure		29.997 "  ↑ PRESRR		30.002 "	12:25pm	29.836 "	12:00am
Rainfall Rate		0.0 mm/h		0.0 mm/h	----m
Snow On Ground		0 cm
Brightness / Darkness		962 W/m² /  0.00 m/"²		1039 W/m²	11:10am	20.13 m/"²	12:14am
Remarks

Rainfall	Today	0.0 mm	Storm Total	16.4 mm
Snowfall	Today	0.0 cm	Storm Total	0.0 cm

Evapotranspiration

Today

-2.44 mm

Lake Conditions

Water Temperature  12.0 °C

Waves  CALM

ICE FREE

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Meteor Index	4   Random
Aurora Index / Solar	9   Quiet   + 3 nT	Solar Flux   138  sfu  /   S 0    G 0    R 0   /  MUF   24.9 MHz

Sunrise	5:39am	Sunset	8:56pm
Moonrise	N/A	Moonset	N/A	Moon Phase	Last Quarter

Grimsby Mountain Weather Maps
Local	Regional	Area	Synoptic
updated H+09 and every 10m	updated H+19 and H+49	updated H+19

Ontario 6-Hour Meteorological Summary

Canadian 6-Hour Meteorological Summaries

CLIMAT Data
Official	Yesterday					2004	2005	2006	2007	2008	2009	Normals & Records
		2010	2011	2012	2013	2014	2015	2016	2017	2018	2019
		2020	2021	2022	2023	2024	2025	2026

Grimsby Mountain Charts

	Sky Quality (Darkness) Meter courtesy of

              

Wx Map	Sat Pix	IR Sat Pix	Radar	Lightning
	Water	Ice

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  This is a privately operated weather station that is part of the Meteorological Service of Canada's official observing network.
Permission to publish the weather statistics found on this website is not required.
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